<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>React js</title>
    <script src="https://unpkg.com/react@18.3.1/umd/react.development.js" defer></script>
    <script src="https://unpkg.com/react-dom@18.3.1/umd/react-dom.development.js" defer></script>
    <script src="https://unpkg.com/@babel/standalone@7.26.2/babel.js" defer></script>
</head>
<body>
    <div id="app"></div>
    <script type="text/jsx">
        const root = ReactDOM.createRoot(app)
        function HomePage(){
            return (
                <div>
                    <Header />
                </div>
            )
        }

        function Header(){
            return (
                <h1>Pkmer Learning React</h1>
            )
        }
        root.render(<HomePage />)
    </script>
</body>
</html>